Annotation of src/usr.bin/tmux/window-more.c, Revision 1.13
1.13 ! nicm 1: /* $OpenBSD: window-more.c,v 1.12 2010/02/01 22:15:51 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20:
21: #include <string.h>
22:
23: #include "tmux.h"
24:
25: struct screen *window_more_init(struct window_pane *);
26: void window_more_free(struct window_pane *);
27: void window_more_resize(struct window_pane *, u_int, u_int);
28: void window_more_key(struct window_pane *, struct client *, int);
29:
30: void window_more_redraw_screen(struct window_pane *);
31: void window_more_write_line(
1.11 nicm 32: struct window_pane *, struct screen_write_ctx *, u_int);
1.1 nicm 33:
34: void window_more_scroll_up(struct window_pane *);
35: void window_more_scroll_down(struct window_pane *);
36:
37: const struct window_mode window_more_mode = {
38: window_more_init,
39: window_more_free,
40: window_more_resize,
41: window_more_key,
42: NULL,
43: NULL,
44: };
45:
46: struct window_more_mode_data {
47: struct screen screen;
48:
49: struct mode_key_data mdata;
50:
51: ARRAY_DECL(, char *) list;
52: u_int top;
53: };
1.13 ! nicm 54:
! 55: void
! 56: window_more_add(struct window_pane *wp, const char *fmt, ...)
! 57: {
! 58: va_list ap;
! 59:
! 60: va_start(ap, fmt);
! 61: window_more_vadd(wp, fmt, ap);
! 62: va_end(ap);
! 63: }
1.1 nicm 64:
65: void
66: window_more_vadd(struct window_pane *wp, const char *fmt, va_list ap)
67: {
68: struct window_more_mode_data *data = wp->modedata;
69: struct screen *s = &data->screen;
70: struct screen_write_ctx ctx;
71: char *msg;
72: u_int size;
73:
74: xvasprintf(&msg, fmt, ap);
75: ARRAY_ADD(&data->list, msg);
76:
77: screen_write_start(&ctx, wp, NULL);
78: size = ARRAY_LENGTH(&data->list) - 1;
79: if (size >= data->top && size <= data->top + screen_size_y(s) - 1) {
80: window_more_write_line(wp, &ctx, size - data->top);
81: if (size != data->top)
82: window_more_write_line(wp, &ctx, 0);
83: } else
84: window_more_write_line(wp, &ctx, 0);
85: screen_write_stop(&ctx);
86: }
87:
88: struct screen *
89: window_more_init(struct window_pane *wp)
90: {
91: struct window_more_mode_data *data;
92: struct screen *s;
1.5 nicm 93: int keys;
1.1 nicm 94:
95: wp->modedata = data = xmalloc(sizeof *data);
96: ARRAY_INIT(&data->list);
97: data->top = 0;
98:
99: s = &data->screen;
100: screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
101: s->mode &= ~MODE_CURSOR;
102:
1.5 nicm 103: keys = options_get_number(&wp->window->options, "mode-keys");
104: if (keys == MODEKEY_EMACS)
1.6 nicm 105: mode_key_init(&data->mdata, &mode_key_tree_emacs_choice);
1.5 nicm 106: else
1.6 nicm 107: mode_key_init(&data->mdata, &mode_key_tree_vi_choice);
1.1 nicm 108:
109: return (s);
110: }
111:
112: void
113: window_more_free(struct window_pane *wp)
114: {
115: struct window_more_mode_data *data = wp->modedata;
116: u_int i;
117:
118: for (i = 0; i < ARRAY_LENGTH(&data->list); i++)
119: xfree(ARRAY_ITEM(&data->list, i));
120: ARRAY_FREE(&data->list);
121:
122: screen_free(&data->screen);
123: xfree(data);
124: }
125:
126: void
127: window_more_resize(struct window_pane *wp, u_int sx, u_int sy)
128: {
129: struct window_more_mode_data *data = wp->modedata;
130: struct screen *s = &data->screen;
131:
132: screen_resize(s, sx, sy);
133: window_more_redraw_screen(wp);
134: }
135:
1.10 nicm 136: /* ARGSUSED */
1.1 nicm 137: void
138: window_more_key(struct window_pane *wp, unused struct client *c, int key)
139: {
140: struct window_more_mode_data *data = wp->modedata;
141: struct screen *s = &data->screen;
142:
143: switch (mode_key_lookup(&data->mdata, key)) {
1.5 nicm 144: case MODEKEYCHOICE_CANCEL:
1.1 nicm 145: window_pane_reset_mode(wp);
146: break;
1.5 nicm 147: case MODEKEYCHOICE_UP:
1.12 nicm 148: case MODEKEYCHOICE_SCROLLUP:
1.1 nicm 149: window_more_scroll_up(wp);
150: break;
1.5 nicm 151: case MODEKEYCHOICE_DOWN:
1.12 nicm 152: case MODEKEYCHOICE_SCROLLDOWN:
1.1 nicm 153: window_more_scroll_down(wp);
154: break;
1.5 nicm 155: case MODEKEYCHOICE_PAGEUP:
1.1 nicm 156: if (data->top < screen_size_y(s))
157: data->top = 0;
158: else
159: data->top -= screen_size_y(s);
160: window_more_redraw_screen(wp);
161: break;
1.5 nicm 162: case MODEKEYCHOICE_PAGEDOWN:
1.1 nicm 163: if (data->top + screen_size_y(s) > ARRAY_LENGTH(&data->list))
164: data->top = ARRAY_LENGTH(&data->list);
165: else
166: data->top += screen_size_y(s);
167: window_more_redraw_screen(wp);
168: break;
169: default:
170: break;
171: }
172: }
173:
174: void
175: window_more_write_line(
176: struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
177: {
178: struct window_more_mode_data *data = wp->modedata;
179: struct screen *s = &data->screen;
1.11 nicm 180: struct options *oo = &wp->window->options;
1.1 nicm 181: struct grid_cell gc;
182: char *msg, hdr[32];
183: size_t size;
1.11 nicm 184: int utf8flag;
1.1 nicm 185:
1.2 nicm 186: utf8flag = options_get_number(&wp->window->options, "utf8");
1.1 nicm 187: memcpy(&gc, &grid_default_cell, sizeof gc);
188:
189: if (py == 0) {
190: size = xsnprintf(hdr, sizeof hdr,
191: "[%u/%u]", data->top, ARRAY_LENGTH(&data->list));
192: screen_write_cursormove(ctx, screen_size_x(s) - size, 0);
1.9 nicm 193: colour_set_fg(&gc, options_get_number(oo, "mode-fg"));
194: colour_set_bg(&gc, options_get_number(oo, "mode-bg"));
195: gc.attr |= options_get_number(oo, "mode-attr");
1.1 nicm 196: screen_write_puts(ctx, &gc, "%s", hdr);
197: memcpy(&gc, &grid_default_cell, sizeof gc);
198: } else
199: size = 0;
200:
201: screen_write_cursormove(ctx, 0, py);
202: if (data->top + py < ARRAY_LENGTH(&data->list)) {
203: msg = ARRAY_ITEM(&data->list, data->top + py);
1.2 nicm 204: screen_write_nputs(
1.8 nicm 205: ctx, screen_size_x(s) - size, &gc, utf8flag, "%s", msg);
1.1 nicm 206: }
207: while (s->cx < screen_size_x(s) - size)
208: screen_write_putc(ctx, &gc, ' ');
209: }
210:
211: void
212: window_more_redraw_screen(struct window_pane *wp)
213: {
214: struct window_more_mode_data *data = wp->modedata;
215: struct screen *s = &data->screen;
216: struct screen_write_ctx ctx;
217: u_int i;
218:
219: screen_write_start(&ctx, wp, NULL);
220: for (i = 0; i < screen_size_y(s); i++)
221: window_more_write_line(wp, &ctx, i);
222: screen_write_stop(&ctx);
223: }
224:
225: void
226: window_more_scroll_up(struct window_pane *wp)
227: {
228: struct window_more_mode_data *data = wp->modedata;
229: struct screen_write_ctx ctx;
230:
231: if (data->top == 0)
232: return;
233: data->top--;
234:
235: screen_write_start(&ctx, wp, NULL);
236: screen_write_cursormove(&ctx, 0, 0);
237: screen_write_insertline(&ctx, 1);
238: window_more_write_line(wp, &ctx, 0);
239: window_more_write_line(wp, &ctx, 1);
240: screen_write_stop(&ctx);
241: }
242:
243: void
244: window_more_scroll_down(struct window_pane *wp)
245: {
246: struct window_more_mode_data *data = wp->modedata;
247: struct screen *s = &data->screen;
248: struct screen_write_ctx ctx;
249:
250: if (data->top >= ARRAY_LENGTH(&data->list))
251: return;
252: data->top++;
253:
254: screen_write_start(&ctx, wp, NULL);
255: screen_write_cursormove(&ctx, 0, 0);
256: screen_write_deleteline(&ctx, 1);
257: window_more_write_line(wp, &ctx, screen_size_y(s) - 1);
258: window_more_write_line(wp, &ctx, 0);
259: screen_write_stop(&ctx);
260: }
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